20-31 Thermo Fisher Scientific

20-31 Thermo Fisher Scientific product information

20-31 is the light-weight 1-inch plastic probe in the Thermo Ramsey Pro-Line mercury tilt-switch range. The probe opens its normally-closed contact when material tilts it approximately 15° or more from vertical, in any direction.

Manufacturer-documented specifications

• PVC light-weight probe; 9 in overall length and 1 in diameter.
• Published weight: 0.5 lb; hanger assembly: 2 in.
• Probe contact rating: 1 A at 24 VDC, non-inductive.
• Standard probe temperature range in the catalogue: -25°F to 180°F.
• Applications include high level, chute plug-up, belt misalignment, batching, tripper crash and feeder no-flow detection.

Manufacturer source: Thermo Ramsey Pro-Line Tilt Switches and Control Units, Catalogue 20.400 Rev. 9/01